Terry Rosen, Ph.D. is our co-founder and has served as the Chairman of the Board since December 2017, our Chief Executive Officer since May 2015 and as a member of the Board since April 2015. Previously, Dr. Rosen co-founded (with Dr. Jaen) and served as the Chief Executive Officer of Flexus Biosciences, Inc. from October 2013 to April 2015, when it was acquired by Bristol-Myers Squibb. Prior to that, Dr. Rosen was at Amgen, Inc. (Nasdaq: AMGN), a biopharmaceutical company, from 2004 to January 2013 where he most recently served as Vice President of Therapeutic Discovery from 2011 to January 2013. He also worked at Tularik Inc., a biopharmaceutical company, from 1993 to 2004 when it was acquired by Amgen, Inc., Pfizer Central Research, a division of Pfizer Inc. (NYSE: PFE), a biopharmaceutical company, from 1987 to 1993, and Abbott Laboratories (NYSE: ABT), a health care company, from 1985 to 1987. Dr. Rosen serves on the board of directors of IDEAYA Biosciences, Inc. (Nasdaq: IDYA) and on the boards of various private and non-profit entities including, Epiodyne, Inc., Simcha Therapeutics Holding Company, LLC, Sonoma Biotherapeutics, Inc., the Berkeley Board of Visitors, the Berkeley Foundation, and the Salk Institute. Dr. Rosen previously served on the board of directors of PACT Pharma, Inc. from December 2016 until October 2022. Dr. Rosen holds a B.S. in Chemistry from the University of Michigan and a Ph.D. in Chemistry from the University of California, Berkeley. We believe that Dr. Rosen should serve as a director based on his position as one of our founders and as our Chief Executive Officer, his extensive experience in general management and business development and his experience in the field of biosciences.